diff options
Diffstat (limited to 'drivers/regulator/tps6594-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6594-regulator.c | 476 |
1 files changed, 353 insertions, 123 deletions
diff --git a/drivers/regulator/tps6594-regulator.c b/drivers/regulator/tps6594-regulator.c index d5a574ec6d12..645e83462c64 100644 --- a/drivers/regulator/tps6594-regulator.c +++ b/drivers/regulator/tps6594-regulator.c @@ -9,7 +9,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> @@ -18,10 +18,9 @@ #include <linux/mfd/tps6594.h> -#define BUCK_NB 5 -#define LDO_NB 4 -#define MULTI_PHASE_NB 4 -#define REGS_INT_NB 4 +#define BUCK_NB 5 +#define LDO_NB 4 +#define MULTI_PHASE_NB 4 enum tps6594_regulator_id { /* DCDC's */ @@ -53,7 +52,7 @@ struct tps6594_regulator_irq_type { unsigned long event; }; -static struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { { TPS6594_IRQ_NAME_VCCA_OV, "VCCA", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VCCA_UV, "VCCA", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_VMON1_OV, "VMON1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, @@ -66,15 +65,24 @@ static struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { REGULATOR_EVENT_OVER_VOLTAGE_WARN }, }; +static const struct tps6594_regulator_irq_type tps65224_ext_regulator_irq_types[] = { + { TPS65224_IRQ_NAME_VCCA_UVOV, "VCCA", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, + { TPS65224_IRQ_NAME_VMON1_UVOV, "VMON1", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, + { TPS65224_IRQ_NAME_VMON2_UVOV, "VMON2", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + struct tps6594_regulator_irq_data { struct device *dev; - struct tps6594_regulator_irq_type *type; + const struct tps6594_regulator_irq_type *type; struct regulator_dev *rdev; }; struct tps6594_ext_regulator_irq_data { struct device *dev; - struct tps6594_regulator_irq_type *type; + const struct tps6594_regulator_irq_type *type; }; #define TPS6594_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ @@ -122,6 +130,27 @@ static const struct linear_range ldos_4_ranges[] = { REGULATOR_LINEAR_RANGE(1200000, 0x20, 0x74, 25000), }; +/* Voltage range for TPS65224 Bucks and LDOs */ +static const struct linear_range tps65224_bucks_1_ranges[] = { + REGULATOR_LINEAR_RANGE(500000, 0x0a, 0x0e, 20000), + REGULATOR_LINEAR_RANGE(600000, 0x0f, 0x72, 5000), + REGULATOR_LINEAR_RANGE(1100000, 0x73, 0xaa, 10000), + REGULATOR_LINEAR_RANGE(1660000, 0xab, 0xfd, 20000), +}; + +static const struct linear_range tps65224_bucks_2_3_4_ranges[] = { + REGULATOR_LINEAR_RANGE(500000, 0x0, 0x1a, 25000), + REGULATOR_LINEAR_RANGE(1200000, 0x1b, 0x45, 50000), +}; + +static const struct linear_range tps65224_ldos_1_ranges[] = { + REGULATOR_LINEAR_RANGE(1200000, 0xC, 0x36, 50000), +}; + +static const struct linear_range tps65224_ldos_2_3_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x38, 50000), +}; + /* Operations permitted on BUCK1/2/3/4/5 */ static const struct regulator_ops tps6594_bucks_ops = { .is_enabled = regulator_is_enabled_regmap, @@ -159,7 +188,7 @@ static const struct regulator_ops tps6594_ldos_4_ops = { .map_voltage = regulator_map_voltage_linear_range, }; -static const struct regulator_desc buck_regs[] = { +static const struct regulator_desc tps6594_buck_regs[] = { TPS6594_REGULATOR("BUCK1", "buck1", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(0), @@ -197,7 +226,39 @@ static const struct regulator_desc buck_regs[] = { 4, 0, 0, NULL, 0, 0), }; -static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { +/* Buck configuration for TPS65224 */ +static const struct regulator_desc tps65224_buck_regs[] = { + TPS6594_REGULATOR("BUCK1", "buck1", TPS6594_BUCK_1, + REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCK1_VSET, + TPS6594_REG_BUCKX_VOUT_1(0), + TPS65224_MASK_BUCK1_VSET, + TPS6594_REG_BUCKX_CTRL(0), + TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_1_ranges, + 4, 0, 0, NULL, 0, 0), + TPS6594_REGULATOR("BUCK2", "buck2", TPS6594_BUCK_2, + REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_VOUT_1(1), + TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_CTRL(1), + TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges, + 4, 0, 0, NULL, 0, 0), + TPS6594_REGULATOR("BUCK3", "buck3", TPS6594_BUCK_3, + REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_VOUT_1(2), + TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_CTRL(2), + TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges, + 4, 0, 0, NULL, 0, 0), + TPS6594_REGULATOR("BUCK4", "buck4", TPS6594_BUCK_4, + REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_VOUT_1(3), + TPS65224_MASK_BUCKS_VSET, + TPS6594_REG_BUCKX_CTRL(3), + TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges, + 4, 0, 0, NULL, 0, 0), +}; + +static const struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { { TPS6594_IRQ_NAME_BUCK1_OV, "BUCK1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK1_UV, "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK1_SC, "BUCK1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -205,7 +266,7 @@ static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { { TPS6594_IRQ_NAME_BUCK2_OV, "BUCK2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK2_UV, "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK2_SC, "BUCK2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -213,7 +274,7 @@ static struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { { TPS6594_IRQ_NAME_BUCK3_OV, "BUCK3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK3_UV, "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK3_SC, "BUCK3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -221,7 +282,7 @@ static struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { { TPS6594_IRQ_NAME_BUCK4_OV, "BUCK4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK4_UV, "BUCK4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK4_SC, "BUCK4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -229,7 +290,7 @@ static struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { { TPS6594_IRQ_NAME_BUCK5_OV, "BUCK5", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK5_UV, "BUCK5", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK5_SC, "BUCK5", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -237,7 +298,7 @@ static struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { { TPS6594_IRQ_NAME_LDO1_OV, "LDO1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO1_UV, "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO1_SC, "LDO1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -245,7 +306,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { { TPS6594_IRQ_NAME_LDO2_OV, "LDO2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO2_UV, "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO2_SC, "LDO2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -253,7 +314,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { { TPS6594_IRQ_NAME_LDO3_OV, "LDO3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO3_UV, "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO3_SC, "LDO3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -261,7 +322,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { { TPS6594_IRQ_NAME_LDO4_OV, "LDO4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO4_UV, "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO4_SC, "LDO4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -269,7 +330,42 @@ static struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_buck1_irq_types[] = { + { TPS65224_IRQ_NAME_BUCK1_UVOV, "BUCK1", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_buck2_irq_types[] = { + { TPS65224_IRQ_NAME_BUCK2_UVOV, "BUCK2", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_buck3_irq_types[] = { + { TPS65224_IRQ_NAME_BUCK3_UVOV, "BUCK3", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_buck4_irq_types[] = { + { TPS65224_IRQ_NAME_BUCK4_UVOV, "BUCK4", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_ldo1_irq_types[] = { + { TPS65224_IRQ_NAME_LDO1_UVOV, "LDO1", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_ldo2_irq_types[] = { + { TPS65224_IRQ_NAME_LDO2_UVOV, "LDO2", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type tps65224_ldo3_irq_types[] = { + { TPS65224_IRQ_NAME_LDO3_UVOV, "LDO3", "voltage out of range", + REGULATOR_EVENT_REGULATION_OUT }, +}; + +static const struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { tps6594_buck1_irq_types, tps6594_buck2_irq_types, tps6594_buck3_irq_types, @@ -277,45 +373,68 @@ static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { tps6594_buck5_irq_types, }; -static struct tps6594_regulator_irq_type *tps6594_ldos_irq_types[] = { +static const struct tps6594_regulator_irq_type *tps6594_ldos_irq_types[] = { tps6594_ldo1_irq_types, tps6594_ldo2_irq_types, tps6594_ldo3_irq_types, tps6594_ldo4_irq_types, }; -static const struct regulator_desc multi_regs[] = { +static const struct tps6594_regulator_irq_type *tps65224_bucks_irq_types[] = { + tps65224_buck1_irq_types, + tps65224_buck2_irq_types, + tps65224_buck3_irq_types, + tps65224_buck4_irq_types, +}; + +static const struct tps6594_regulator_irq_type *tps65224_ldos_irq_types[] = { + tps65224_ldo1_irq_types, + tps65224_ldo2_irq_types, + tps65224_ldo3_irq_types, +}; + +static const struct regulator_desc tps6594_multi_regs[] = { TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_VOUT_1(1), + TPS6594_REG_BUCKX_VOUT_1(0), TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_CTRL(1), + TPS6594_REG_BUCKX_CTRL(0), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK34", "buck34", TPS6594_BUCK_3, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_VOUT_1(3), + TPS6594_REG_BUCKX_VOUT_1(2), TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_CTRL(3), + TPS6594_REG_BUCKX_CTRL(2), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK123", "buck123", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_VOUT_1(1), + TPS6594_REG_BUCKX_VOUT_1(0), TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_CTRL(1), + TPS6594_REG_BUCKX_CTRL(0), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK1234", "buck1234", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_VOUT_1(1), + TPS6594_REG_BUCKX_VOUT_1(0), TPS6594_MASK_BUCKS_VSET, - TPS6594_REG_BUCKX_CTRL(1), + TPS6594_REG_BUCKX_CTRL(0), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), }; -static const struct regulator_desc ldo_regs[] = { +static const struct regulator_desc tps65224_multi_regs[] = { + TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1, + REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCK1_VSET, + TPS6594_REG_BUCKX_VOUT_1(0), + TPS65224_MASK_BUCK1_VSET, + TPS6594_REG_BUCKX_CTRL(0), + TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_1_ranges, + 4, 4000, 0, NULL, 0, 0), +}; + +static const struct regulator_desc tps6594_ldo_regs[] = { TPS6594_REGULATOR("LDO1", "ldo1", TPS6594_LDO_1, REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_VOUT(0), @@ -346,6 +465,30 @@ static const struct regulator_desc ldo_regs[] = { 1, 0, 0, NULL, 0, 0), }; +static const struct regulator_desc tps65224_ldo_regs[] = { + TPS6594_REGULATOR("LDO1", "ldo1", TPS6594_LDO_1, + REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_VOUT(0), + TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_CTRL(0), + TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_1_ranges, + 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), + TPS6594_REGULATOR("LDO2", "ldo2", TPS6594_LDO_2, + REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_VOUT(1), + TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_CTRL(1), + TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_2_3_ranges, + 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), + TPS6594_REGULATOR("LDO3", "ldo3", TPS6594_LDO_3, + REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_VOUT(2), + TPS6594_MASK_LDO123_VSET, + TPS6594_REG_LDOX_CTRL(2), + TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_2_3_ranges, + 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), +}; + static irqreturn_t tps6594_regulator_irq_handler(int irq, void *data) { struct tps6594_regulator_irq_data *irq_data = data; @@ -369,40 +512,103 @@ static irqreturn_t tps6594_regulator_irq_handler(int irq, void *data) static int tps6594_request_reg_irqs(struct platform_device *pdev, struct regulator_dev *rdev, struct tps6594_regulator_irq_data *irq_data, - struct tps6594_regulator_irq_type *tps6594_regs_irq_types, + const struct tps6594_regulator_irq_type *regs_irq_types, + size_t interrupt_cnt, int *irq_idx) { - struct tps6594_regulator_irq_type *irq_type; + const struct tps6594_regulator_irq_type *irq_type; struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); - int j; + size_t j; int irq; int error; - for (j = 0; j < REGS_INT_NB; j++) { - irq_type = &tps6594_regs_irq_types[j]; + for (j = 0; j < interrupt_cnt; j++) { + irq_type = ®s_irq_types[j]; irq = platform_get_irq_byname(pdev, irq_type->irq_name); if (irq < 0) return -EINVAL; - irq_data[*irq_idx + j].dev = tps->dev; - irq_data[*irq_idx + j].type = irq_type; - irq_data[*irq_idx + j].rdev = rdev; + irq_data[*irq_idx].dev = tps->dev; + irq_data[*irq_idx].type = irq_type; + irq_data[*irq_idx].rdev = rdev; error = devm_request_threaded_irq(tps->dev, irq, NULL, - tps6594_regulator_irq_handler, - IRQF_ONESHOT, - irq_type->irq_name, - &irq_data[*irq_idx]); - (*irq_idx)++; + tps6594_regulator_irq_handler, IRQF_ONESHOT, + irq_type->irq_name, &irq_data[*irq_idx]); if (error) { dev_err(tps->dev, "tps6594 failed to request %s IRQ %d: %d\n", irq_type->irq_name, irq, error); return error; } + (*irq_idx)++; } return 0; } +struct tps6594_regulator_desc { + const struct regulator_desc *multi_phase_regs; + unsigned int num_multi_phase_regs; + + const struct regulator_desc *buck_regs; + int num_buck_regs; + + const struct regulator_desc *ldo_regs; + int num_ldo_regs; + + const struct tps6594_regulator_irq_type **bucks_irq_types; + const struct tps6594_regulator_irq_type **ldos_irq_types; + int num_irq_types; + + const struct tps6594_regulator_irq_type *ext_irq_types; + int num_ext_irqs; +}; + +static const struct tps6594_regulator_desc tps65224_reg_desc = { + .multi_phase_regs = tps65224_multi_regs, + .num_multi_phase_regs = ARRAY_SIZE(tps65224_multi_regs), + .buck_regs = tps65224_buck_regs, + .num_buck_regs = ARRAY_SIZE(tps65224_buck_regs), + .ldo_regs = tps65224_ldo_regs, + .num_ldo_regs = ARRAY_SIZE(tps65224_ldo_regs), + .bucks_irq_types = tps65224_bucks_irq_types, + .ldos_irq_types = tps65224_ldos_irq_types, + .num_irq_types = 1, /* OV or UV */ + .ext_irq_types = tps65224_ext_regulator_irq_types, + .num_ext_irqs = ARRAY_SIZE(tps65224_ext_regulator_irq_types), +}; + +static const struct tps6594_regulator_desc tps652g1_reg_desc = { + .ldo_regs = tps65224_ldo_regs, + .num_ldo_regs = ARRAY_SIZE(tps65224_ldo_regs), + .buck_regs = tps65224_buck_regs, + .num_buck_regs = ARRAY_SIZE(tps65224_buck_regs), +}; + +static const struct tps6594_regulator_desc tps6594_reg_desc = { + .multi_phase_regs = tps6594_multi_regs, + .num_multi_phase_regs = ARRAY_SIZE(tps6594_multi_regs), + .buck_regs = tps6594_buck_regs, + .num_buck_regs = ARRAY_SIZE(tps6594_buck_regs), + .ldo_regs = tps6594_ldo_regs, + .num_ldo_regs = ARRAY_SIZE(tps6594_ldo_regs), + .bucks_irq_types = tps6594_bucks_irq_types, + .ldos_irq_types = tps6594_ldos_irq_types, + .num_irq_types = 4, /* OV, UV, SC and ILIM */ + .ext_irq_types = tps6594_ext_regulator_irq_types, + .num_ext_irqs = 2, /* only VCCA OV and UV */ +}; + +static const struct tps6594_regulator_desc lp8764_reg_desc = { + .multi_phase_regs = tps6594_multi_regs, + .num_multi_phase_regs = ARRAY_SIZE(tps6594_multi_regs), + .buck_regs = tps6594_buck_regs, + .num_buck_regs = ARRAY_SIZE(tps6594_buck_regs), + .bucks_irq_types = tps6594_bucks_irq_types, + .num_irq_types = 4, /* OV, UV, SC and ILIM */ + .ext_irq_types = tps6594_ext_regulator_irq_types, + .num_ext_irqs = ARRAY_SIZE(tps6594_ext_regulator_irq_types), +}; + static int tps6594_regulator_probe(struct platform_device *pdev) { struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); @@ -412,24 +618,42 @@ static int tps6594_regulator_probe(struct platform_device *pdev) struct regulator_config config = {}; struct tps6594_regulator_irq_data *irq_data; struct tps6594_ext_regulator_irq_data *irq_ext_reg_data; - struct tps6594_regulator_irq_type *irq_type; - u8 buck_configured[BUCK_NB] = { 0 }; - u8 buck_multi[MULTI_PHASE_NB] = { 0 }; - static const char * const multiphases[] = {"buck12", "buck123", "buck1234", "buck34"}; - static const char *npname; - int error, i, irq, multi, delta; + const struct tps6594_regulator_irq_type *irq_type; + bool buck_configured[BUCK_NB] = { false }; + bool buck_multi[MULTI_PHASE_NB] = { false }; + const struct tps6594_regulator_desc *desc; + const struct regulator_desc *multi_regs; + + const char *npname; + int error, i, irq, multi; int irq_idx = 0; int buck_idx = 0; - int ext_reg_irq_nb = 2; + size_t reg_irq_nb; + + switch (tps->chip_id) { + case TPS65224: + desc = &tps65224_reg_desc; + break; + case TPS652G1: + desc = &tps652g1_reg_desc; + break; + case TPS6594: + case TPS6593: + desc = &tps6594_reg_desc; + break; + case LP8764: + desc = &lp8764_reg_desc; + break; + default: + dev_err(tps->dev, "unknown chip_id %lu\n", tps->chip_id); + return -EINVAL; + } enum { MULTI_BUCK12, + MULTI_BUCK12_34, MULTI_BUCK123, MULTI_BUCK1234, - MULTI_BUCK12_34, - MULTI_FIRST = MULTI_BUCK12, - MULTI_LAST = MULTI_BUCK12_34, - MULTI_NUM = MULTI_LAST - MULTI_FIRST + 1 }; config.dev = tps->dev; @@ -444,142 +668,146 @@ static int tps6594_regulator_probe(struct platform_device *pdev) * In case of Multiphase configuration, value should be defined for * buck_configured to avoid creating bucks for every buck in multiphase */ - for (multi = MULTI_FIRST; multi < MULTI_NUM; multi++) { - np = of_find_node_by_name(tps->dev->of_node, multiphases[multi]); + for (multi = 0; multi < desc->num_multi_phase_regs; multi++) { + multi_regs = &desc->multi_phase_regs[multi]; + np = of_find_node_by_name(tps->dev->of_node, multi_regs->supply_name); npname = of_node_full_name(np); np_pmic_parent = of_get_parent(of_get_parent(np)); if (of_node_cmp(of_node_full_name(np_pmic_parent), tps->dev->of_node->full_name)) continue; - delta = strcmp(npname, multiphases[multi]); - if (!delta) { + if (strcmp(npname, multi_regs->supply_name) == 0) { switch (multi) { case MULTI_BUCK12: - buck_multi[0] = 1; - buck_configured[0] = 1; - buck_configured[1] = 1; + buck_multi[0] = true; + buck_configured[0] = true; + buck_configured[1] = true; break; /* multiphase buck34 is supported only with buck12 */ case MULTI_BUCK12_34: - buck_multi[0] = 1; - buck_multi[1] = 1; - buck_configured[0] = 1; - buck_configured[1] = 1; - buck_configured[2] = 1; - buck_configured[3] = 1; + buck_multi[0] = true; + buck_multi[1] = true; + buck_configured[0] = true; + buck_configured[1] = true; + buck_configured[2] = true; + buck_configured[3] = true; break; case MULTI_BUCK123: - buck_multi[2] = 1; - buck_configured[0] = 1; - buck_configured[1] = 1; - buck_configured[2] = 1; + buck_multi[2] = true; + buck_configured[0] = true; + buck_configured[1] = true; + buck_configured[2] = true; break; case MULTI_BUCK1234: - buck_multi[3] = 1; - buck_configured[0] = 1; - buck_configured[1] = 1; - buck_configured[2] = 1; - buck_configured[3] = 1; + buck_multi[3] = true; + buck_configured[0] = true; + buck_configured[1] = true; + buck_configured[2] = true; + buck_configured[3] = true; break; } } } - if (tps->chip_id == LP8764) - /* There is only 4 buck on LP8764 */ - buck_configured[4] = 1; + reg_irq_nb = desc->num_irq_types * (desc->num_buck_regs + desc->num_ldo_regs); - irq_data = devm_kmalloc_array(tps->dev, - REGS_INT_NB * sizeof(struct tps6594_regulator_irq_data), - ARRAY_SIZE(tps6594_bucks_irq_types) + - ARRAY_SIZE(tps6594_ldos_irq_types), - GFP_KERNEL); + irq_data = devm_kmalloc_array(tps->dev, reg_irq_nb, + sizeof(struct tps6594_regulator_irq_data), GFP_KERNEL); if (!irq_data) return -ENOMEM; - for (i = 0; i < MULTI_PHASE_NB; i++) { - if (buck_multi[i] == 0) + for (i = 0; i < desc->num_multi_phase_regs; i++) { + if (!buck_multi[i]) continue; - rdev = devm_regulator_register(&pdev->dev, &multi_regs[i], &config); + rdev = devm_regulator_register(&pdev->dev, &desc->multi_phase_regs[i], + &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), "failed to register %s regulator\n", pdev->name); + if (!desc->num_irq_types) + continue; + /* config multiphase buck12+buck34 */ - if (i == 1) + if (i == MULTI_BUCK12_34) buck_idx = 2; + error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_bucks_irq_types[buck_idx], &irq_idx); + desc->bucks_irq_types[buck_idx], + desc->num_irq_types, &irq_idx); if (error) return error; + error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_bucks_irq_types[buck_idx + 1], &irq_idx); + desc->bucks_irq_types[buck_idx + 1], + desc->num_irq_types, &irq_idx); if (error) return error; - if (i == 2 || i == 3) { + if (i == MULTI_BUCK123 || i == MULTI_BUCK1234) { error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_bucks_irq_types[buck_idx + 2], + desc->bucks_irq_types[buck_idx + 2], + desc->num_irq_types, &irq_idx); if (error) return error; } - if (i == 3) { + if (i == MULTI_BUCK1234) { error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_bucks_irq_types[buck_idx + 3], + desc->bucks_irq_types[buck_idx + 3], + desc->num_irq_types, &irq_idx); if (error) return error; } } - for (i = 0; i < BUCK_NB; i++) { - if (buck_configured[i] == 1) + for (i = 0; i < desc->num_buck_regs; i++) { + if (buck_configured[i]) continue; - rdev = devm_regulator_register(&pdev->dev, &buck_regs[i], &config); + rdev = devm_regulator_register(&pdev->dev, &desc->buck_regs[i], &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), - "failed to register %s regulator\n", - pdev->name); + "failed to register %s regulator\n", pdev->name); + + if (!desc->num_irq_types) + continue; error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_bucks_irq_types[i], &irq_idx); + desc->bucks_irq_types[i], + desc->num_irq_types, &irq_idx); if (error) return error; } - /* LP8764 dosen't have LDO */ - if (tps->chip_id != LP8764) { - for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) { - rdev = devm_regulator_register(&pdev->dev, &ldo_regs[i], &config); - if (IS_ERR(rdev)) - return dev_err_probe(tps->dev, PTR_ERR(rdev), - "failed to register %s regulator\n", - pdev->name); + for (i = 0; i < desc->num_ldo_regs; i++) { + rdev = devm_regulator_register(&pdev->dev, &desc->ldo_regs[i], &config); + if (IS_ERR(rdev)) + return dev_err_probe(tps->dev, PTR_ERR(rdev), + "failed to register %s regulator\n", + pdev->name); - error = tps6594_request_reg_irqs(pdev, rdev, irq_data, - tps6594_ldos_irq_types[i], - &irq_idx); - if (error) - return error; - } - } + if (!desc->num_irq_types) + continue; - if (tps->chip_id == LP8764) - ext_reg_irq_nb = ARRAY_SIZE(tps6594_ext_regulator_irq_types); + error = tps6594_request_reg_irqs(pdev, rdev, irq_data, + desc->ldos_irq_types[i], + desc->num_irq_types, &irq_idx); + if (error) + return error; + } irq_ext_reg_data = devm_kmalloc_array(tps->dev, - ext_reg_irq_nb, - sizeof(struct tps6594_ext_regulator_irq_data), - GFP_KERNEL); + desc->num_ext_irqs, + sizeof(struct tps6594_ext_regulator_irq_data), + GFP_KERNEL); if (!irq_ext_reg_data) return -ENOMEM; - for (i = 0; i < ext_reg_irq_nb; ++i) { - irq_type = &tps6594_ext_regulator_irq_types[i]; - + for (i = 0; i < desc->num_ext_irqs; ++i) { + irq_type = &desc->ext_irq_types[i]; irq = platform_get_irq_byname(pdev, irq_type->irq_name); if (irq < 0) return -EINVAL; @@ -597,6 +825,7 @@ static int tps6594_regulator_probe(struct platform_device *pdev) "failed to request %s IRQ %d\n", irq_type->irq_name, irq); } + return 0; } @@ -611,5 +840,6 @@ module_platform_driver(tps6594_regulator_driver); MODULE_ALIAS("platform:tps6594-regulator"); MODULE_AUTHOR("Jerome Neanne <jneanne@baylibre.com>"); +MODULE_AUTHOR("Nirmala Devi Mal Nadar <m.nirmaladevi@ltts.com>"); MODULE_DESCRIPTION("TPS6594 voltage regulator driver"); MODULE_LICENSE("GPL"); |